Home / 13,976.07-19,286.82-10,406.99

Finding the Fourth Proportional to 13,976.07, 19,286.82 and 10,406.99

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Solution

The fourth proportional to 13,976.07, 19,286.82 and 10,406.99 is: 14,361.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,976.07 : 19,286.82 = 10,406.99 : x
  2. Step 2: Convert to fraction form
    13,976.07/19,286.82 = 10,406.99/x
  3. Step 3: Cross multiply
    13,976.07x = 19,286.82 × 10,406.99
  4. Step 4: Simplify right side
    13,976.07x = 200,717,707.58
  5. Step 5: Solve for x
    x = 200,717,707.58/13,976.07
  6. Step 6: Final answer
    x = 14,361.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.